Abstract
This study examines land use change and impacts on urban and rural activity in Lagos State, Nigeria. To achieve this, multi-temporal land use and land cover (LULC) datasets derived from the GlobeLand30 product of years 2000 and 2010 for urban and rural areas of Lagos State were imported into ArcMap 10.6 and converted to raster files (raster thematic maps) for spatial analysis in the FRAGSTATS situated in the Patch Analyst. Thus, different landscape metrics were computed to generate statistical results. The results have shown that fragmentation of cultivated lands increased in the rural areas but decreased in the urban areas. Also, the findings display that land-use change resulted in incremental fragmentation of forest in the urban areas, and reduction in the rural areas. The fragmentation measure of diversity increased in the urban areas, while it decreased in the rural areas during the period of study. These results suggest that cultivated land fragmentation is a complex process connected with socio-economic trends at regional and local levels. In addition, this study has shown that landscape metrics can be used to understand the spatial pattern of LULC change in an urban-rural context. Finally, the outcomes of this study will help the policymakers at the three levels of governments in Nigeria to make crucial informed decisions about sustainable land use.
Highlights
IntroductionThe results have shown that fragmentation of cultivated lands increased in the rural areas but decreased in the urban areas
Environmental Applied Science and Management-Yeates School of Graduate Studies, Ryerson University, Department of Geography and Environmental Studies, Ryerson University, Toronto, ON M5B 2K3, Canada
Much work has been accomplished using landscape metrics and remote sensing; little research has been concentrated on land use change and impacts on urban and rural activity in Lagos
Summary
The results have shown that fragmentation of cultivated lands increased in the rural areas but decreased in the urban areas. The findings display that land-use change resulted in incremental fragmentation of forest in the urban areas, and reduction in the rural areas. The fragmentation measure of diversity increased in the urban areas, while it decreased in the rural areas during the period of study. These results suggest that cultivated land fragmentation is a complex process connected with socio-economic trends at regional and local levels. This study has shown that landscape metrics can be used to understand the spatial pattern of LULC change in an urban-rural context. The outcomes of this study will help the policymakers at the three levels of governments in Nigeria to make crucial informed decisions about sustainable land use
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